@inbook{1148671390, author={Kenneth J. Ryan}, title={Viruses of Mumps, Measles, Rubella, and Other Childhood Exanthems}, booktitle={Sherris Medical Microbiology, 7e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={accessbiomedicalscience.mhmedical.com/content.aspx?aid=1148671390} }